On Thu, 2013-06-20 at 10:33 +0200, Arend van Spriel wrote: > On 06/19/2013 11:11 PM, Chris Adams wrote: > > Once upon a time, Arend van Spriel <arend@xxxxxxxxxxxx> said: > >> Can you make a capture using a wireless sniffer (using your thinkpad maybe)? > > > > How would I go about doing that? I've done lots of network debugging > > with tcpdump and such, but not much wireless stuff. > > > > I use wireshark these days. If you install that you can use the steps > below and select the wireless interface in wireshark to capture. I use > wlan0 as interface name, but it may be different for you. > > 1. disable network-manager so it won't interfere. It should be enough run "nmcli nm wifi off" and then un-rfkill the interface, and NM will leave it alone until you turn wifi back on. It will also remove the interface from wpa_supplicant. Dan > 2. bring the interface down > $ sudo ifconfig wlan0 down > 3. change interface type to monitor > $ sudo iw dev wlan0 set type monitor > 4. bring up the interface > $ sudo ifconfig wlan0 up > 5. start wireshark and select wlan0 > $ gksudo wireshark > > It will complain that running wireshark as root is not secure. If you > care about that, you should read [1]. > > Regards, > Arend > > [1] > http://wiki.wireshark.org/Security#Administrator.2Froot_account_not_required.21 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
